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Interactive Brokers TWS API message code

Interactive Brokers TWS API message code: 348 (not a short sale)

The error, as text you can copy

348
Kind
TWS API message code
Where you meet it
In the TWS API, not in the Web API and not in an HTTP status
API
Interactive Brokers

What does 348 (not a short sale) mean on the Interactive Brokers API?

Interactive Brokers lists TWS API message code 348 with a text that begins "Order not a short sale" (the vendor's wording) and goes on to say that the type must be SSHORT to specify a short sale slot. The action must be SSHORT for a short sale slot to be specified.

Risk warning: CFDs and spread bets are complex instruments and come with a high risk of losing money rapidly due to leverage. You can lose money on these products, and each provider publishes its own loss figure under FCA rules. You should consider whether you understand how they work and whether you can afford to take the high risk of losing your money. Automated and API trading can amplify losses through bugs, connectivity failures and runaway orders.

Independent and unofficialinteractivebrokers.github.iochecked

How do I fix 348 (not a short sale)?

Make sure the action specified is SSHORT.